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74AC240SC

Name: 74AC240SC
Rating: 4.7 (12 reviews)

IC BUFFER INVERT 6V 20SOIC

Производитель
Мфр. Часть #74AC240SC
Пакет 20-SOIC
Лист данных
В наличии7907

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Спецификации

Package	Tube
Series	74AC
ProductStatus	Obsolete
LogicType	Buffer, Inverting
NumberofElements	2
NumberofBitsperElement	4
OutputType	3-State
Current-OutputHighLow	24mA, 24mA
Voltage-Supply	2V ~ 6V
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	20-SOIC (0.295, 7.50mm Width)

Обзор

Description

The 74AC240SC is an octal buffer/driver with three-state outputs, designed for high-speed data transmission. It belongs to the 74AC (Advanced CMOS) family, which offers low power consumption and high-speed operation. This device can drive capacitive loads and is suitable for interfacing between different logic levels.
Key features include eight non-inverting outputs, a wide voltage range, and the ability to operate at 3.3V and 5V power supply levels. The 74AC240SC features an active-low output enable (OE) for controlling the output states, allowing for three possible output conditions: high, low, or high-impedance (tri-state).
It is commonly used in applications such as data routing, signal buffering, and interfacing with microcontrollers or FPGAs. The device is available in a variety of package types, including the SOIC (Small Outline Integrated Circuit) package, which is suitable for surface-mount technology. Overall, the 74AC240SC is ideal for enhancing data integrity and driving multiple loads in digital circuits.

Features

The 74AC240SC is an octal buffer/driver designed for high-speed CMOS applications. Key features include:
1. Voltage Levels: Operates with a supply voltage range of 4.5V to 5.5V, making it compatible with standard TTL logic levels.
2. High Drive Capability: Each output can drive up to 15 LSTTL loads, providing strong output drive for various applications.
3. Tri-State Outputs: Features tri-state outputs, allowing for multiple devices to share the same bus without interfering with each other.
4. Low Power Consumption: Offers low static and dynamic power consumption, ideal for battery-operated devices.
5. Fast Switching: Provides high-speed operation with propagation delays typically around 3-4 ns at 5V, enabling quick signal processing.
6. Wide Input Voltage Range: Accepts a wide input voltage range (0 to 5V), ensuring compatibility with various logic levels.
These features make the 74AC240SC suitable for buffer or driver applications in digital circuits, enhancing system performance and efficiency.

Package

The 74AC240SC is packaged in a SOIC (Small Outline Integrated Circuit) package, specifically in a 20-lead configuration. This surface-mount package is designed for efficient space utilization on printed circuit boards.

Pinout

The 74AC240SC is an octal buffer/driver with three-state outputs. It features 20 pins in a standard dual in-line package (DIP). The pin configuration includes:
- Pins 1-8: Data inputs (A1-A8)
- Pins 9-16: Data outputs (Y1-Y8)
- Pin 19: Output enable (OE) for all outputs
- Pin 10: Ground (GND)
- Pin 20: VCC (supply voltage)
The device provides high-speed buffering with low power consumption, and the outputs can be placed in a high-impedance state when the OE pin is activated. It is commonly used in digital circuits for signal buffering and driving applications.

Manufacturer

The 74AC240SC is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments specializes in designing and manufacturing a wide range of electronic components, including integrated circuits, microcontrollers, and analog devices. Founded in 1930, TI operates primarily in the fields of analog and embedded processing, serving various industries such as automotive, industrial, communications, and consumer electronics. The company is known for its innovation, reliability, and extensive portfolio of products that support a diverse range of applications in the electronics market.

Application

The 74AC240SC is an octal buffer/driver with tri-state outputs, commonly used in digital circuits for data buffering, signal isolation, and driving high-capacitance loads. Application areas include computer memory interfaces, data bus transceivers, and communication systems. It is also utilized in high-speed logic circuits, enabling control of signal direction and enhancing signal integrity in various electronic devices.

Equivalent

The 74AC240SC is a quad buffer/driver with three-state outputs. Equivalent products include the 74HC240, 74HCT240, and 74AC244. For specific applications, alternatives may also include the 74LS240 and 74LVC240, depending on voltage levels and speed requirements. Always check the datasheets for detailed specifications and pin compatibility.

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